There are two systems in my organization. We will say one as server and other one as branch. Server is replicating data from branch. at branch table having a numeric field with length 4 .Now filed length will be change from 4 to 11.

Replication is set on FAST mode.
In this scenario I have few quires
1) If branch table will be updated (length will be 11 from 4) then snap shot logs will be dropped or not?
2) Will there be need to recreate the snapshot at server or it will be automatically updated in next replication.